window.onload = async function () {
  try {
    const res = await axios({
      url: '/dashboard',
      method: 'get',
    })
    const {
      data: { overview },
    } = res
    for (let key in overview) {
      document.querySelector(`span[name=${key}]`).innerHTML = overview[key]
      document.querySelector(`span[name=${key}]`).innerHTML = overview[key]
      document.querySelector(`span[name=${key}]`).innerHTML = overview[key]
      document.querySelector(`span[name=${key}]`).innerHTML = overview[key]
    }
    setyear(res.data.year)

    setClass(res.data.salaryData)

    setTeam(res.data.groupData)

    setGender(res.data.salaryData)


    initMapChart(res.data.provinceData)

  } catch (error) {
    // console.dir(error)
  }
}
// const year = document.querySelector('#line')
//创建折线图
const setyear = (data) => {
  const myChart = echarts.init(document.querySelector('#line'))
  myChart.setOption({
    xAxis: {
      type: 'category',
      data: data.map((item) => item.month),
      axisLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed',
        },
      },
      axisLabel: {
        color: '#999',
      },
    },
    tooltip: {
      trigger: 'axis',
    },
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed',
        },
      },
    },
    title: {
      text: '2021全学科薪资走势',
      top: 15,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    grid: {
      top: '20%',
    }, // linear-gradient(135deg, #6f42c1 0%, #4582EC 100%)
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 1,
        y2: 0,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE', // 0% 处的颜色
          },
          {
            offset: 1,
            color: '#5D75F0', // 100% 处的颜色
          },
        ],
      },
    ],
    series: [
      {
        data: data.map((item) => item.salary),
        type: 'line',
        smooth: true,
        areaStyle: {
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
            {
              offset: 0,
              color: '#499FEE',
            },
            {
              offset: 0.8,
              color: 'rgba(255,255,255,0.2)',
            },
            {
              offset: 1,
              color: 'rgba(255,255,255,0)',
            },
          ]),
        },
      },
    ],
  })
}
//创建饼状图
const setClass = (data) => {

  const myChart = echarts.init(document.querySelector('#salary'))
  myChart.setOption({
    //设置图表的标题和字体样式
    title: {
      text: '班级薪资分布',
      top: 15,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    tooltip: {
      trigger: 'item',
    },
    legend: {
      bottom: '6%',
      left: 'center',
    },
    //设置调色盘
    color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
    series: [
      {
        name: '班级薪资分布',
        type: 'pie',
        radius: ['50%', '64%'],
        center: ['50%', '45%'],
        avoidLabelOverlap: false,
        //设置图形样式
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: false,
          position: 'center',
        },
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: '40',
        //     fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: false,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.b_count + item.g_count,
          }
        }),
      },
    ],
  })
}

//创建树状图
const setTeam = (data) => {
  const myChart = echarts.init(document.querySelector('#lines'))
  let option = {
    grid: {
      left: 70,
      top: 30,
      right: 30,
      bottom: 50,
    },
    xAxis: {
      type: 'category',
      data: data['1'].map((item) => item.name),
      axisLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed',
        },
      },
      axisLabel: {
        color: '#999',
      },
    },
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed',
        },
      },
    },
    tooltip: {
      trigger: 'item',
    },
    series: [
      {
        data: data['1'].map((item) => item.hope_salary),
        type: 'bar',
        name: '期望薪资',
      },
      {
        data: data['1'].map((item) => item.salary),
        type: 'bar',
        name: '就业薪资',
      },
    ],
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#34D39A', // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(52,211,154,0.2)', // 100% 处的颜色
          },
        ],
      },
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE', // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(73,159,238,0.2)', // 100% 处的颜色
          },
        ],
      },
    ],
  }
  myChart.setOption(option)
  //获取元素
  const btns = document.querySelector('#btns')
  btns.addEventListener('click', function (e) {
    if (e.target.tagName === 'BUTTON') {
      btns.querySelector('.btn-blue').classList.remove('btn-blue')
      e.target.classList.add('btn-blue')
      let group = e.target.innerHTML

      option.xAxis.data = data[group].map((item) => item.name)
      option.series[0] = data[group].map((item) => item.hope_salary)
      option.series[1] = data[group].map((item) => item.salary)
      myChart.setOption(option)
    }
  })
}
//创建男女薪资分布
const setGender = (data) => {

  const myChart = echarts.init(document.querySelector('#gender'))
  myChart.setOption({
    //设置图表的标题和字体样式
    title: [
      {
        text: '男女薪资分布',
        left: 10,
        top: 10,
        textStyle: {
          fontSize: 16,
        },
      },
      {
        text: '男生',
        left: '50%',
        top: '45%',
        textAlign: 'center',
        textStyle: {
          fontSize: 12,
        },
      },
      {
        text: '女生',
        left: '50%',
        top: '95%',
        textAlign: 'center',
        textStyle: {
          fontSize: 12,
        },
      },
    ],
    tooltip: {
      trigger: 'item',
    },
    // legend: {
    //   bottom: '1%',
    //   left: 'center'
    // },
    //设置调色盘
    color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
    series: [
      // {
      //   type: 'pie',
      //   radius: '20%',
      //   center: ['25%', '30%']
      //   // No encode specified, by default, it is '2012'.
      // },
      {
        // name: '班级薪资分布',
        type: 'pie',
        radius: ['50%', '64%'],
        // center:['50%','45%'],
        // height: '50%',
        bottom: '50%',
        avoidLabelOverlap: false,
        //设置图形样式
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: true,
          // position: 'center'
        },
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: '40',
        //     fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: true,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.b_count + item.g_count,
          }
        }),
      },
      //  {
      //   type: 'pie',
      //   radius: '20%',
      //   center: ['25%', '30%']
      //   // No encode specified, by default, it is '2012'.
      // },
      {
        type: 'pie',
        radius: ['50%', '64%'],
        // center:['50%','45%'],
        // height: '50%',
        top: '50%',
        avoidLabelOverlap: false,
        //设置图形样式
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: true,
          // position: 'center'
        },
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: '40',
        //     fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: true,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.b_count + item.g_count,
          }
        }),
      },
    ],
  })
}


// 创建地图
const initMapChart = (data) => {
  const myEchart = echarts.init(document.querySelector('#map'))
  const dataList = [
    { name: '南海诸岛', value: 0 },
    { name: '北京', value: 0 },
    { name: '天津', value: 0 },
    { name: '上海', value: 0 },
    { name: '重庆', value: 0 },
    { name: '河北', value: 0 },
    { name: '河南', value: 0 },
    { name: '云南', value: 0 },
    { name: '辽宁', value: 0 },
    { name: '黑龙江', value: 0 },
    { name: '湖南', value: 0 },
    { name: '安徽', value: 0 },
    { name: '山东', value: 0 },
    { name: '新疆', value: 0 },
    { name: '江苏', value: 0 },
    { name: '浙江', value: 0 },
    { name: '江西', value: 0 },
    { name: '湖北', value: 0 },
    { name: '广西', value: 0 },
    { name: '甘肃', value: 0 },
    { name: '山西', value: 1 },
    { name: '内蒙古', value: 0 },
    { name: '陕西', value: 0 },
    { name: '吉林', value: 0 },
    { name: '福建', value: 0 },
    { name: '贵州', value: 0 },
    { name: '广东', value: 0 },
    { name: '青海', value: 0 },
    { name: '西藏', value: 0 },
    { name: '四川', value: 0 },
    { name: '宁夏', value: 0 },
    { name: '海南', value: 0 },
    { name: '台湾', value: 0 },
    { name: '香港', value: 0 },
    { name: '澳门', value: 0 },
  ];
  dataList.forEach((item) => {
    const obj = data.find(
      (it) =>
        it.name.replace(
          /省|回族自治区|吾尔自治区|壮族自治区|特别行政区|自治区/g,
          ""
        ) === item.name
    );

    if (obj) item.value = obj.value;
  });
  let option = {
    title: {
      text: '籍贯分布',
      top: 10,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    tooltip: {
      trigger: 'item',
      formatter: '{b}: {c} 位学员',
      borderColor: 'transparent',
      backgroundColor: 'rgba(0,0,0,0.5)',
      textStyle: {
        color: '#fff',
      },
    },
    visualMap: {
      min: 0,
      max: 6,
      left: 'left',
      bottom: '20',
      text: ['6', '0'],
      inRange: {
        color: ['#ffffff', '#0075F0'],
      },
      show: true,
      left: 40,
    },
    geo: {
      map: 'china',
      roam: false,
      zoom: 1.0,
      label: {
        normal: {
          show: true,
          fontSize: '10',
          color: 'rgba(0,0,0,0.7)',
        },
      },
      itemStyle: {
        normal: {
          borderColor: 'rgba(0, 0, 0, 0.2)',
          color: '#e0ffff',
        },
        emphasis: {
          areaColor: '#34D39A',
          shadowOffsetX: 0,
          shadowOffsetY: 0,
          shadowBlur: 20,
          borderWidth: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)',
        },
      },
    },
    series: [
      {
        name: '籍贯分布',
        type: 'map',
        geoIndex: 0,
        data: dataList,
      },
    ],
  }
  myEchart.setOption(option)
}